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  • [Vue] Update Attributes, Classes and Styles in Vue.js with v-bind

    Use v-bind:class and v-bind:style to compute html classes and inline styles from component data. Vue.js will automatically add vendor prefixes when using v-bind:style.

      <body>
        <div id="card">
          <header>{{ title }}</header>
          <button v-bind:class="{'rounded': isRounded, 'large': sizeToggle}"
                  v-bind:style="styles" v-bind:disabled="disabled" >Start Tour</button>
          <hr>
          <h4>Options</h4>
          <ul>
            <li><input type="checkbox" v-model="sizeToggle"><label>Large</label></li>
            <li><input type="checkbox" id="round" v-model="isRounded"><label for="round">Rounded</label></li>
            <li><input type="checkbox" v-model="disabled"><label>Disabled</label></li>
            <li><input type="text" v-model="backgroundColor"/><label>Background Color</label></li>
            <li><input type="text" v-model="fontColor"/><label>Font Color</label></li>
            <li><input type="range" v-model="range" min="15" max="85"><label>Position</label></li>
          </ul>
        </div>
        <script src="script.js"></script>
      </body>
    
    </html>
    var card = new Vue({
      el: "#card",
      data: {
        title: "Style Bindings",
        isRounded: false,
        sizeToggle: false,
        disabled: false,
        backgroundColor: '#CCCCCC',
        fontColor: "#000000",
        range: 50
      },
      computed: {
        styles: function(){
          return {
            color: this.fontColor,
            background: this.backgroundColor,
            'margin-left': this.range+"%"
          }
        }
      }
    });
    body {
      padding: 2em;
      font-family: sans-serif;
    }
    
    #card {
      border: 2px solid Gray;
      border-radius: 10px;
    }
    .rounded {
      border-radius: 10px;
    }
    .large {
      font-size: 2em;
    }
    label {
      margin-left: 1em;
    }
    button:disabled {
      opacity: .5;
      cursor: not-allowed;
    }
    #card header {
      display: block;
      border-radius: 8px 8px 0 0;
      background: orange;
      padding: 10px;
      color: white;
      font-size: 1.5em;
      margin-bottom: 1em;
    }
    
    #card div, #card p {
      padding:1em;
    }
    
    
    #card ul { 
      list-style: none;
      margin: 0;
      padding: 0 1em 1em;
    }
    
    #card ul li {
      padding: .25em;
      border: 1px solid gray;
      margin: .5em 0;
      border-radius: 3px;
    }
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  • 原文地址:https://www.cnblogs.com/Answer1215/p/6339325.html
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